APA (7th ed.) Citation

Juliao, F., & Butt, J. (1972). Cambao = the yoke: The hidden face of Brazil. Penguin Books.

Chicago Style (17th ed.) Citation

Juliao, Francisco, and John Butt. Cambao = the Yoke: The Hidden Face of Brazil. Middlesex, England: Penguin Books, 1972.

MLA (9th ed.) Citation

Juliao, Francisco, and John Butt. Cambao = the Yoke: The Hidden Face of Brazil. Penguin Books, 1972.